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【英文标准名称】:Zincand/oraluminiumbasedcoatingsonsteel-Determinationofcoatingmassperunitareaandchemicalcomposition-Gravimetry,inductivelycoupledplasmaatomicemissionspectrometryandflameatomicabsorptionspectrometry
【原文标准名称】:钢上锌和/或铝基涂层.单位面积涂层质量和化学组分的测定.重量分析法、感应耦合等离子体原子辐射光谱测定法和火焰原子吸收光谱测定法
【标准号】:ISO17925-2004
【标准状态】:现行
【国别】:国际
【发布日期】:2004-11
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/TC17
【标准类型】:()
【标准水平】:()
【中文主题词】:重量分析;金属表面;锌覆层;防护覆层;火焰原子吸收光谱测定法;原子发射光谱法;表层;化学成分;铝涂层;化学分析和试验;覆层;定义
【英文主题词】:Aluminiumcoating;Atomicemissionspectrometry;Chemicalanalysisandtesting;Chemicalcomposition;Coatings;Definitions;Flameatomicabsorptionspectrometry;Gravimetricanalysis;Metallicsurfaces;Protectivecoatings;Surfacelayers;Zinccoatings
【摘要】:ThisInternationalStandardspecifiesmethodsofdeterminingthecoatingmassperunitareabygravimetryandchemicalcompositionononeside-surfaceofzinc-and/oraluminium-basedcoatingsonsteelbymeansofinductivelycoupledplasmaatomicemissionspectrometricorflameatomicabsorptionspectrometry.Forexample,thistestmethodappliesforzincand/oraluminiumbasedcoatingsonsteelsuchasgalvanize(hotdipandelectrolytic),galvaneal(hot-dip),zinc-nickelelectrolytic,zinc-5%aluminiumcoating(hot-dip)andzinc-55%aluminiumcoating(hot-dip).Galvanizinggivesapurezinccoating.Galvaneallinggivesazinc-ironalloyedcoating.Zinc-nickelelectrolyticmethodsgivezinc-nickelalloyedcoatings.Thismethodisapplicabletozinccontentsbetween40%(massfraction)and100%(massfraction);aluminiumcontentsbetween0,02%(massfraction)and60%(massfraction);nickelcontentsbetween7%(massfraction)and20%(massfraction);ironcontentsbetween0,2%(massfraction)and20%(massfraction);siliconcontentsbetween0,2%(massfraction)and10%(massfraction);leadcontentsbetween0,005%(massfraction)and2%(massfraction).Forexample,theapplicableelementsfortheseproductsareasfollows:galvanizingisspecifiedforironandaluminium;galvaneallingisspecifiedforzinc,ironandaluminium;zinc-nickelelectrolyticmethodsarespecifiedforzinc,ironandnickel;zinc-5%aluminiumcoatingisspecifiedforzinc,iron,aluminiumandsilicon;zinc-55%aluminiumisspecifiedforzinc,iron,aluminiumandsilicon.FAASdeterminationforthechemicalcompositionofacoatinglayerisnotapplicableforzinc.ThesetestmethodsareintendedasrefereemethodstotestsuchmaterialsforcompliancewithmassperunitareaandcompositionalspecificationsofInternationalStandards.
【中国标准分类号】:A29
【国际标准分类号】:25_220_40;77_080_20
【页数】:26P;A4
【正文语种】:英语


【英文标准名称】:DemonstrationofSafetyValvePerformanceSectionI;SUPP5
【原文标准名称】:安全阀性能的演示.第I节;补充件5
【标准号】:ASME2368-2001
【标准状态】:现行
【国别】:美国
【发布日期】:2001
【实施或试行日期】:
【发布单位】:美国机械工程师协会(US-ASME)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:DemonstrationofSafetyValvePerformanceSectionI;SUPP5
【中国标准分类号】:J16
【国际标准分类号】:
【页数】:
【正文语种】:英语